diff --git a/ReactiveObjC.xcodeproj/project.pbxproj b/ReactiveObjC.xcodeproj/project.pbxproj
index 691a32e23..ed95a2506 100644
--- a/ReactiveObjC.xcodeproj/project.pbxproj
+++ b/ReactiveObjC.xcodeproj/project.pbxproj
@@ -2824,7 +2824,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				ENABLE_TESTABILITY = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
@@ -2847,7 +2847,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
@@ -2997,7 +2997,7 @@
 				CODE_SIGNING_REQUIRED = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactivecocoa.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(PROJECT_NAME)";
 				TVOS_DEPLOYMENT_TARGET = 9.0;